Home / 194,738.20-292,107.30-76,413.40

Finding the Fourth Proportional to 194,738.20, 292,107.30 and 76,413.40

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Solution

The fourth proportional to 194,738.20, 292,107.30 and 76,413.40 is: 114,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,738.20 : 292,107.30 = 76,413.40 : x
  2. Step 2: Convert to fraction form
    194,738.20/292,107.30 = 76,413.40/x
  3. Step 3: Cross multiply
    194,738.20x = 292,107.30 × 76,413.40
  4. Step 4: Simplify right side
    194,738.20x = 22,320,911,957.82
  5. Step 5: Solve for x
    x = 22,320,911,957.82/194,738.20
  6. Step 6: Final answer
    x = 114,620.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.